Table of Content 1 Guitar Preamps Introduction and Market Overview 1.1 Objectives of the Study 1.2 Overview of Guitar Preamps 1.3 Scope of The Study 1.3.1 Key Market Segments 1.3.2 Players Covered 1.3.3 COVID-19's impact on the Guitar Preamps industry 1.4 Methodology of The Study 1.5 Research Data Source 2 Executive Summary 2.1 Market Overview 2.1.1 Global Guitar Preamps Market Size, 2015 – 2020 2.1.2 Global Guitar Preamps Market Size by Type, 2015 – 2020 2.1.3 Global Guitar Preamps Market Size by Application, 2015 – 2020 2.1.4 Global Guitar Preamps Market Size by Region, 2015 - 2025 2.2 Business Environment Analysis 2.2.1 Global COVID-19 Status and Economic Overview 2.2.2 Influence of COVID-19 Outbreak on Guitar Preamps Industry Development 3 Industry Chain Analysis 3.1 Upstream Raw Material Suppliers of Guitar Preamps Analysis 3.2 Major Players of Guitar Preamps 3.3 Guitar Preamps Manufacturing Cost Structure Analysis 3.3.1 Production Process Analysis 3.3.2 Manufacturing Cost Structure of Guitar Preamps 3.3.3 Labor Cost of Guitar Preamps 3.4 Market Distributors of Guitar Preamps 3.5 Major Downstream Buyers of Guitar Preamps Analysis 3.6 The Impact of Covid-19 From the Perspective of Industry Chain 3.7 Regional Import and Export Controls Will Exist for a Long Time 3.8 Continued downward PMI Spreads Globally 4 Global Guitar Preamps Market, by Type 4.1 Global Guitar Preamps Value and Market Share by Type (2015-2020) 4.2 Global Guitar Preamps Production and Market Share by Type (2015-2020) 4.3 Global Guitar Preamps Value and Growth Rate by Type (2015-2020) 4.3.1 Global Guitar Preamps Value and Growth Rate of Vacuum Tube Preamps 4.3.2 Global Guitar Preamps Value and Growth Rate of Hybrid Preamps 4.3.3 Global Guitar Preamps Value and Growth Rate of Acoustic Preamps 4.4 Global Guitar Preamps Price Analysis by Type (2015-2020) 5 Guitar Preamps Market, by Application 5.1 Downstream Market Overview 5.2 Global Guitar Preamps Consumption and Market Share by Application (2015-2020) 5.3 Global Guitar Preamps Consumption and Growth Rate by Application (2015-2020) 5.3.1 Global Guitar Preamps Consumption and Growth Rate of Electric Guitar (2015-2020) 5.3.2 Global Guitar Preamps Consumption and Growth Rate of Acoustic Guitar (2015-2020) 6 Global Guitar Preamps Market Analysis by Regions 6.1 Global Guitar Preamps Sales, Revenue and Market Share by Regions 6.1.1 Global Guitar Preamps Sales by Regions (2015-2020) 6.1.2 Global Guitar Preamps Revenue by Regions (2015-2020) 6.2 North America Guitar Preamps Sales and Growth Rate (2015-2020) 6.3 Europe Guitar Preamps Sales and Growth Rate (2015-2020) 6.4 Asia-Pacific Guitar Preamps Sales and Growth Rate (2015-2020) 6.5 Middle East and Africa Guitar Preamps Sales and Growth Rate (2015-2020) 6.6 South America Guitar Preamps Sales and Growth Rate (2015-2020) 7 North America Guitar Preamps Market Analysis by Countries 7.1 The Influence of COVID-19 on North America Market 7.2 North America Guitar Preamps Sales, Revenue and Market Share by Countries 7.2.1 North America Guitar Preamps Sales by Countries (2015-2020) 7.2.2 North America Guitar Preamps Revenue by Countries (2015-2020) 7.3 United States Guitar Preamps Sales and Growth Rate (2015-2020) 7.4 Canada Guitar Preamps Sales and Growth Rate (2015-2020) 7.5 Mexico Guitar Preamps Sales and Growth Rate (2015-2020) 8 Europe Guitar Preamps Market Analysis by Countries 8.1 The Influence of COVID-19 on Europe Market 8.2 Europe Guitar Preamps Sales, Revenue and Market Share by Countries 8.2.1 Europe Guitar Preamps Sales by Countries (2015-2020) 8.2.2 Europe Guitar Preamps Revenue by Countries (2015-2020) 8.3 Germany Guitar Preamps Sales and Growth Rate (2015-2020) 8.4 UK Guitar Preamps Sales and Growth Rate (2015-2020) 8.5 France Guitar Preamps Sales and Growth Rate (2015-2020) 8.6 Italy Guitar Preamps Sales and Growth Rate (2015-2020) 8.7 Spain Guitar Preamps Sales and Growth Rate (2015-2020) 8.8 Russia Guitar Preamps Sales and Growth Rate (2015-2020) 9 Asia Pacific Guitar Preamps Market Analysis by Countries 9.1 The Influence of COVID-19 on Asia Pacific Market 9.2 Asia Pacific Guitar Preamps Sales, Revenue and Market Share by Countries 9.2.1 Asia Pacific Guitar Preamps Sales by Countries (2015-2020) 9.2.2 Asia Pacific Guitar Preamps Revenue by Countries (2015-2020) 9.3 China Guitar Preamps Sales and Growth Rate (2015-2020) 9.4 Japan Guitar Preamps Sales and Growth Rate (2015-2020) 9.5 South Korea Guitar Preamps Sales and Growth Rate (2015-2020) 9.6 India Guitar Preamps Sales and Growth Rate (2015-2020) 9.7 Southeast Asia Guitar Preamps Sales and Growth Rate (2015-2020) 9.8 Australia Guitar Preamps Sales and Growth Rate (2015-2020) 10 Middle East and Africa Guitar Preamps Market Analysis by Countries 10.1 The Influence of COVID-19 on Middle East and Africa Market 10.2 Middle East and Africa Guitar Preamps Sales, Revenue and Market Share by Countries 10.2.1 Middle East and Africa Guitar Preamps Sales by Countries (2015-2020) 10.2.2 Middle East and Africa Guitar Preamps Revenue by Countries (2015-2020) 10.3 Saudi Arabia Guitar Preamps Sales and Growth Rate (2015-2020) 10.4 UAE Guitar Preamps Sales and Growth Rate (2015-2020) 10.5 Egypt Guitar Preamps Sales and Growth Rate (2015-2020) 10.6 Nigeria Guitar Preamps Sales and Growth Rate (2015-2020) 10.7 South Africa Guitar Preamps Sales and Growth Rate (2015-2020) 11 South America Guitar Preamps Market Analysis by Countries 11.1 The Influence of COVID-19 on Middle East and Africa Market 11.2 South America Guitar Preamps Sales, Revenue and Market Share by Countries 11.2.1 South America Guitar Preamps Sales by Countries (2015-2020) 11.2.2 South America Guitar Preamps Revenue by Countries (2015-2020) 11.3 Brazil Guitar Preamps Sales and Growth Rate (2015-2020) 11.4 Argentina Guitar Preamps Sales and Growth Rate (2015-2020) 11.5 Columbia Guitar Preamps Sales and Growth Rate (2015-2020) 11.6 Chile Guitar Preamps Sales and Growth Rate (2015-2020) 12 Competitive Landscape 12.1 AMT 12.1.1 AMT Basic Information 12.1.2 Guitar Preamps Product Introduction 12.1.3 AMT Production, Value, Price, Gross Margin 2015-2020 12.2 Behringer 12.2.1 Behringer Basic Information 12.2.2 Guitar Preamps Product Introduction 12.2.3 Behringer Production, Value, Price, Gross Margin 2015-2020 12.3 Bartolini 12.3.1 Bartolini Basic Information 12.3.2 Guitar Preamps Product Introduction 12.3.3 Bartolini Production, Value, Price, Gross Margin 2015-2020 12.4 Darkglass 12.4.1 Darkglass Basic Information 12.4.2 Guitar Preamps Product Introduction 12.4.3 Darkglass Production, Value, Price, Gross Margin 2015-2020 12.5 DigiTech 12.5.1 DigiTech Basic Information 12.5.2 Guitar Preamps Product Introduction 12.5.3 DigiTech Production, Value, Price, Gross Margin 2015-2020 12.6 DV Mark 12.6.1 DV Mark Basic Information 12.6.2 Guitar Preamps Product Introduction 12.6.3 DV Mark Production, Value, Price, Gross Margin 2015-2020 12.7 Diezel 12.7.1 Diezel Basic Information 12.7.2 Guitar Preamps Product Introduction 12.7.3 Diezel Production, Value, Price, Gross Margin 2015-2020 12.8 AER 12.8.1 AER Basic Information 12.8.2 Guitar Preamps Product Introduction 12.8.3 AER Production, Value, Price, Gross Margin 2015-2020 12.9 BBE 12.9.1 BBE Basic Information 12.9.2 Guitar Preamps Product Introduction 12.9.3 BBE Production, Value, Price, Gross Margin 2015-2020 12.10 DOD 12.10.1 DOD Basic Information 12.10.2 Guitar Preamps Product Introduction 12.10.3 DOD Production, Value, Price, Gross Margin 2015-2020 12.11 Dtar 12.11.1 Dtar Basic Information 12.11.2 Guitar Preamps Product Introduction 12.11.3 Dtar Production, Value, Price, Gross Margin 2015-2020 12.12 B-Band 12.12.1 B-Band Basic Information 12.12.2 Guitar Preamps Product Introduction 12.12.3 B-Band Production, Value, Price, Gross Margin 2015-2020 12.13 Carvin 12.13.1 Carvin Basic Information 12.13.2 Guitar Preamps Product Introduction 12.13.3 Carvin Production, Value, Price, Gross Margin 2015-2020 12.14 A Designs 12.14.1 A Designs Basic Information 12.14.2 Guitar Preamps Product Introduction 12.14.3 A Designs Production, Value, Price, Gross Margin 2015-2020 12.15 Dunlop 12.15.1 Dunlop Basic Information 12.15.2 Guitar Preamps Product Introduction 12.15.3 Dunlop Production, Value, Price, Gross Margin 2015-2020 12.16 AMT Electronics 12.16.1 AMT Electronics Basic Information 12.16.2 Guitar Preamps Product Introduction 12.16.3 AMT Electronics Production, Value, Price, Gross Margin 2015-2020 12.17 Dean 12.17.1 Dean Basic Information 12.17.2 Guitar Preamps Product Introduction 12.17.3 Dean Production, Value, Price, Gross Margin 2015-2020 13 Industry Outlook 13.1 Market Driver Analysis 13.1.2 Market Restraints Analysis 13.1.3 Market Trends Analysis 13.2 Merger, Acquisition and New Investment 13.3 News of Product Release 14 Global Guitar Preamps Market Forecast 14.1 Global Guitar Preamps Market Value & Volume Forecast, by Type (2020-2025) 14.1.1 Vacuum Tube Preamps Market Value and Volume Forecast (2020-2025) 14.1.2 Hybrid Preamps Market Value and Volume Forecast (2020-2025) 14.1.3 Acoustic Preamps Market Value and Volume Forecast (2020-2025) 14.2 Global Guitar Preamps Market Value & Volume Forecast, by Application (2020-2025) 14.2.1 Electric Guitar Market Value and Volume Forecast (2020-2025) 14.2.2 Acoustic Guitar Market Value and Volume Forecast (2020-2025) 14.3 Guitar Preamps Market Analysis and Forecast by Region 14.3.1 North America Market Value and Consumption Forecast (2020-2025) 14.3.2 Europe Market Value and Consumption Forecast (2020-2025) 14.3.3 Asia Pacific Market Value and Consumption Forecast (2020-2025) 14.3.4 Middle East and Africa Market Value and Consumption Forecast (2020-2025) 14.3.5 South America Market Value and Consumption Forecast (2020-2025) 15 New Project Feasibility Analysis 15.1 Industry Barriers and New Entrants SWOT Analysis 15.1.1 Porter’s Five Forces Analysis 15.1.2 New Entrants SWOT Analysis 15.2 Analysis and Suggestions on New Project Investment  

List of Tables and Figures Figure Product Picture of Guitar Preamps Table Product Specification of Guitar Preamps Table Guitar Preamps Key Market Segments Table Key Players Guitar Preamps Covered Figure Global Guitar Preamps Market Size, 2015 – 2025 Table Different Types of Guitar Preamps Figure Global Guitar Preamps Value ($) Segment by Type from 2015-2020 Figure Global Guitar Preamps Market Share by Types in 2019 Table Different Applications of Guitar Preamps Figure Global Guitar Preamps Value ($) Segment by Applications from 2015-2020 Figure Global Guitar Preamps Market Share by Applications in 2019 Figure Global Guitar Preamps Market Share by Regions in 2019 Figure North America Guitar Preamps Production Value ($) and Growth Rate (2015-2020) Figure Europe Guitar Preamps Production Value ($) and Growth Rate (2015-2020) Figure Asia Pacific Guitar Preamps Production Value ($) and Growth Rate (2015-2020) Figure Middle East and Africa Guitar Preamps Production Value ($) and Growth Rate (2015-2020) Figure South America Guitar Preamps Production Value ($) and Growth Rate (2015-2020) Table Global COVID-19 Status and Economic Overview Figure Global COVID-19 Status Figure COVID-19 Comparison of Major Countries Figure Industry Chain Analysis of Guitar Preamps Table Upstream Raw Material Suppliers of Guitar Preamps with Contact Information Table Major Players Headquarters, and Service Area of Guitar Preamps Figure Major Players Production Value Market Share of Guitar Preamps in 2019 Table Major Players Guitar Preamps Product Types in 2019 Figure Production Process of Guitar Preamps Figure Manufacturing Cost Structure of Guitar Preamps Figure Channel Status of Guitar Preamps Table Major Distributors of Guitar Preamps with Contact Information Table Major Downstream Buyers of Guitar Preamps with Contact Information Table Global Guitar Preamps Value ($) by Type (2015-2020) Table Global Guitar Preamps Value Share by Type (2015-2020) Figure Global Guitar Preamps Value Share by Type (2015-2020) Table Global Guitar Preamps Production by Type (2015-2020) Table Global Guitar Preamps Production Share by Type (2015-2020) Figure Global Guitar Preamps Production Share by Type (2015-2020) Figure Global Guitar Preamps Value ($) and Growth Rate of Vacuum Tube Preamps (2015-2020) Figure Global Guitar Preamps Value ($) and Growth Rate of Hybrid Preamps (2015-2020) Figure Global Guitar Preamps Value ($) and Growth Rate of Acoustic Preamps (2015-2020) Figure Global Guitar Preamps Price by Type (2015-2020) Figure Downstream Market Overview Table Global Guitar Preamps Consumption by Application (2015-2020) Table Global Guitar Preamps Consumption Market Share by Application (2015-2020) Figure Global Guitar Preamps Consumption Market Share by Application (2015-2020) Figure Global Guitar Preamps Consumption and Growth Rate of Electric Guitar (2015-2020) Figure Global Guitar Preamps Consumption and Growth Rate of Acoustic Guitar (2015-2020) Figure Global Guitar Preamps Sales and Growth Rate (2015-2020) Figure Global Guitar Preamps Revenue (M USD) and Growth (2015-2020) Table Global Guitar Preamps Sales by Regions (2015-2020) Table Global Guitar Preamps Sales Market Share by Regions (2015-2020) Table Global Guitar Preamps Revenue (M USD) by Regions (2015-2020) Table Global Guitar Preamps Revenue Market Share by Regions (2015-2020) Table Global Guitar Preamps Revenue Market Share by Regions in 2015 Table Global Guitar Preamps Revenue Market Share by Regions in 2019 Figure North America Guitar Preamps Sales and Growth Rate (2015-2020) Figure Europe Guitar Preamps Sales and Growth Rate (2015-2020) Figure Asia-Pacific Guitar Preamps Sales and Growth Rate (2015-2020) Figure Middle East and Africa Guitar Preamps Sales and Growth Rate (2015-2020) Figure South America Guitar Preamps Sales and Growth Rate (2015-2020) Figure North America COVID-19 Status Figure North America COVID-19 Confirmed Cases Major Distribution Figure North America Guitar Preamps Revenue (M USD) and Growth (2015-2020) Table North America Guitar Preamps Sales by Countries (2015-2020) Table North America Guitar Preamps Sales Market Share by Countries (2015-2020) Table North America Guitar Preamps Revenue (M USD) by Countries (2015-2020) Table North America Guitar Preamps Revenue Market Share by Countries (2015-2020) Figure United States Guitar Preamps Sales and Growth Rate (2015-2020) Figure Canada Guitar Preamps Sales and Growth Rate (2015-2020) Figure Mexico Guitar Preamps Sales and Growth (2015-2020) Figure Europe COVID-19 Status Figure Europe COVID-19 Confirmed Cases Major Distribution Figure Europe Guitar Preamps Revenue (M USD) and Growth (2015-2020) Table Europe Guitar Preamps Sales by Countries (2015-2020) Table Europe Guitar Preamps Sales Market Share by Countries (2015-2020) Table Europe Guitar Preamps Revenue (M USD) by Countries (2015-2020) Table Europe Guitar Preamps Revenue Market Share by Countries (2015-2020) Figure Germany Guitar Preamps Sales and Growth Rate (2015-2020) Figure UK Guitar Preamps Sales and Growth Rate (2015-2020) Figure France Guitar Preamps Sales and Growth (2015-2020) Figure Italy Guitar Preamps Sales and Growth (2015-2020) Figure Spain Guitar Preamps Sales and Growth (2015-2020) Figure Russia Guitar Preamps Sales and Growth (2015-2020) Figure Asia Pacific COVID-19 Status Figure Asia Pacific Guitar Preamps Revenue (M USD) and Growth (2015-2020) Table Asia Pacific Guitar Preamps Sales by Countries (2015-2020) Table Asia Pacific Guitar Preamps Sales Market Share by Countries (2015-2020) Table Asia Pacific Guitar Preamps Revenue (M USD) by Countries (2015-2020) Table Asia Pacific Guitar Preamps Revenue Market Share by Countries (2015-2020) Figure China Guitar Preamps Sales and Growth Rate (2015-2020) Figure Japan Guitar Preamps Sales and Growth Rate (2015-2020) Figure South Korea Guitar Preamps Sales and Growth (2015-2020) Figure India Guitar Preamps Sales and Growth (2015-2020) Figure Southeast Asia Guitar Preamps Sales and Growth (2015-2020) Figure Australia Guitar Preamps Sales and Growth (2015-2020) Figure Middle East Guitar Preamps Revenue (M USD) and Growth (2015-2020) Table Middle East Guitar Preamps Sales by Countries (2015-2020) Table Middle East and Africa Guitar Preamps Sales Market Share by Countries (2015-2020) Table Middle East and Africa Guitar Preamps Revenue (M USD) by Countries (2015-2020) Table Middle East and Africa Guitar Preamps Revenue Market Share by Countries (2015-2020) Figure Saudi Arabia Guitar Preamps Sales and Growth Rate (2015-2020) Figure UAE Guitar Preamps Sales and Growth Rate (2015-2020) Figure Egypt Guitar Preamps Sales and Growth (2015-2020) Figure Nigeria Guitar Preamps Sales and Growth (2015-2020) Figure South Africa Guitar Preamps Sales and Growth (2015-2020) Figure South America Guitar Preamps Revenue (M USD) and Growth (2015-2020) Table South America Guitar Preamps Sales by Countries (2015-2020) Table South America Guitar Preamps Sales Market Share by Countries (2015-2020) Table South America Guitar Preamps Revenue (M USD) by Countries (2015-2020) Table South America Guitar Preamps Revenue Market Share by Countries (2015-2020) Figure Brazil Guitar Preamps Sales and Growth Rate (2015-2020) Figure Argentina Guitar Preamps Sales and Growth Rate (2015-2020) Figure Columbia Guitar Preamps Sales and Growth (2015-2020) Figure Chile Guitar Preamps Sales and Growth (2015-2020) Figure Top 3 Market Share of Guitar Preamps Companies in 2019 Figure Top 6 Market Share of Guitar Preamps Companies in 2019 Table Major Players Production Value ($) Share (2015-2020) Table AMT Profile Table AMT Product Introduction Figure AMT Production and Growth Rate Figure AMT Value ($) Market Share 2015-2020 Table Behringer Profile Table Behringer Product Introduction Figure Behringer Production and Growth Rate Figure Behringer Value ($) Market Share 2015-2020 Table Bartolini Profile Table Bartolini Product Introduction Figure Bartolini Production and Growth Rate Figure Bartolini Value ($) Market Share 2015-2020 Table Darkglass Profile Table Darkglass Product Introduction Figure Darkglass Production and Growth Rate Figure Darkglass Value ($) Market Share 2015-2020 Table DigiTech Profile Table DigiTech Product Introduction Figure DigiTech Production and Growth Rate Figure DigiTech Value ($) Market Share 2015-2020 Table DV Mark Profile Table DV Mark Product Introduction Figure DV Mark Production and Growth Rate Figure DV Mark Value ($) Market Share 2015-2020 Table Diezel Profile Table Diezel Product Introduction Figure Diezel Production and Growth Rate Figure Diezel Value ($) Market Share 2015-2020 Table AER Profile Table AER Product Introduction Figure AER Production and Growth Rate Figure AER Value ($) Market Share 2015-2020 Table BBE Profile Table BBE Product Introduction Figure BBE Production and Growth Rate Figure BBE Value ($) Market Share 2015-2020 Table DOD Profile Table DOD Product Introduction Figure DOD Production and Growth Rate Figure DOD Value ($) Market Share 2015-2020 Table Dtar Profile Table Dtar Product Introduction Figure Dtar Production and Growth Rate Figure Dtar Value ($) Market Share 2015-2020 Table B-Band Profile Table B-Band Product Introduction Figure B-Band Production and Growth Rate Figure B-Band Value ($) Market Share 2015-2020 Table Carvin Profile Table Carvin Product Introduction Figure Carvin Production and Growth Rate Figure Carvin Value ($) Market Share 2015-2020 Table A Designs Profile Table A Designs Product Introduction Figure A Designs Production and Growth Rate Figure A Designs Value ($) Market Share 2015-2020 Table Dunlop Profile Table Dunlop Product Introduction Figure Dunlop Production and Growth Rate Figure Dunlop Value ($) Market Share 2015-2020 Table AMT Electronics Profile Table AMT Electronics Product Introduction Figure AMT Electronics Production and Growth Rate Figure AMT Electronics Value ($) Market Share 2015-2020 Table Dean Profile Table Dean Product Introduction Figure Dean Production and Growth Rate Figure Dean Value ($) Market Share 2015-2020 Table Market Driving Factors of Guitar Preamps Table Merger, Acquisition and New Investment Table Global Guitar Preamps Market Value ($) Forecast, by Type Table Global Guitar Preamps Market Volume Forecast, by Type Figure Global Guitar Preamps Market Value ($) and Growth Rate Forecast of Vacuum Tube Preamps (2020-2025) Figure Global Guitar Preamps Market Volume ($) and Growth Rate Forecast of Vacuum Tube Preamps (2020-2025) Figure Global Guitar Preamps Market Value ($) and Growth Rate Forecast of Hybrid Preamps (2020-2025) Figure Global Guitar Preamps Market Volume ($) and Growth Rate Forecast of Hybrid Preamps (2020-2025) Figure Global Guitar Preamps Market Value ($) and Growth Rate Forecast of Acoustic Preamps (2020-2025) Figure Global Guitar Preamps Market Volume ($) and Growth Rate Forecast of Acoustic Preamps (2020-2025) Table Global Market Value ($) Forecast by Application (2020-2025) Table Global Market Volume Forecast by Application (2020-2025) Figure Market Value ($) and Growth Rate Forecast of Electric Guitar (2020-2025) Figure Market Volume and Growth Rate Forecast of Electric Guitar (2020-2025) Figure Market Value ($) and Growth Rate Forecast of Acoustic Guitar (2020-2025) Figure Market Volume and Growth Rate Forecast of Acoustic Guitar (2020-2025) Figure North America Market Value ($) and Growth Rate Forecast (2020-2025) Figure North America Consumption and Growth Rate Forecast (2020-2025) Figure Europe Market Value ($) and Growth Rate Forecast (2020-2025) Figure Europe Consumption and Growth Rate Forecast (2020-2025) Figure Asia Pacific Market Value ($) and Growth Rate Forecast (2020-2025) Figure Asia Pacific Consumption and Growth Rate Forecast (2020-2025) Figure Middle East and Africa Market Value ($) and Growth Rate Forecast (2020-2025) Figure Middle East and Africa Consumption and Growth Rate Forecast (2020-2025) Figure South America Market Value ($) and Growth Rate Forecast (2020-2025) Figure South America Consumption and Growth Rate Forecast (2020-2025) Figure Porter’s Five Forces Analysis Table New Entrants SWOT Analysis Table New Project Analysis of Investment Recovery