Grado HP1

US Audio Mart

Grado Labs HP 1000 (HP1) Headphones US Audio Mart $2,200 Mar 7, 2023
- Sep 4, 2023

Subito

Cuffie Grado 325X + fostex hp1 Subito €400 20% Jan 5, 2023
- Jan 5, 2024

SkyFi Audio

Grado HP-1 RARE and LEGENDARY Vintage Headphones - HP-1000 Series SkyFi Audio $1,799 May 28, 2022
- May 28, 2022

Reverb

Rare, single owner, Grado Labs HP1 with polarity switches $2,000 Feb 1, 2022
- Mar 13, 2022

Audiogon

Grado HP-1000 / HP1 Signature headphones Audiogon $1,500 Nov 13, 2021
- Nov 27, 2021

SkyFi Audio

Grado HP-1 (HP-1000 Series) RARE and LEGENDARY Vintage Headphones with HPA-1 Battery Powered Amplifier SkyFi Audio - Nov 13, 2021
- May 26, 2022

Audio Graffiti

GRADO > HP 1 PRO Audio Graffiti €700 Jul 21, 2020
- Jul 21, 2020

US Audio Mart

Grado HP1000 HP1 (polarity switch) with HPA2 Amplifier US Audio Mart $1,500 Jul 21, 2020
- Jul 21, 2020

US Audio Mart

Grado HP1000 HP1 Headphones with Polarity Switch US Audio Mart $1,000 Jan 27, 2020
- Jan 27, 2020

Audio-markt

Grado joseph grado hp-1 hp1000 sold* Audio-markt €1,650 Jan 6, 2020
- Feb 12, 2020

Audiogon

Grado HP-1 Audiogon $1,001 100000% Oct 29, 2019
- Nov 23, 2019

The Music Room

Joseph Grado Signature Products HP1 Vintage Open Back Headphones; HP-1 The Music Room $1,763 2% Oct 14, 2019
- Oct 26, 2019

US Audio Mart

Rare Grado HP-1 (HP-1000 Series) Headphones with Polarity Switches, RA-1 Amp, Grado Extension Cable US Audio Mart $1,450 Aug 21, 2019
- Aug 24, 2019

Audiogon

Rare GRADO HP-1 (HP-1000 Series) Headphones with Polarity Switches, RA-1 Amp, Extension Cable Audiogon $1,450 33% Aug 1, 2019
- Aug 26, 2019

Head-fi

GRADO HP-1 RARE Joe Grado Headphone with Polarity Switch Head-fi $1,950 20% May 3, 2019
- Jul 1, 2020

Head-fi

RARE: GRADO HP-1 (HP-1000) 'Joe Grado's' with Polarity Switch. Head-fi $2,850 Apr 1, 2019
- May 3, 2019

Audiogon

Grado HP-1 Audiogon $1,601 40% Feb 20, 2019
- Apr 11, 2020

Head-fi

Grado HP 1000 HP1 (almost new) with packaging and extras Head-fi $3,050 3% Oct 8, 2018
- Jan 11, 2019

Head-fi

Joseph Grado HP1000 (HP1) & HPA-2 Amplifier - $OLD Head-fi $2,300 Sep 28, 2018
- Sep 28, 2018

US Audio Mart

Joseph Grado HP1000 (HP1) & HPA-2 Amplifier US Audio Mart $2,350 4% Sep 4, 2018
- Sep 6, 2018

Head-fi

FS: Grado HP-1000 (HP-1) Head-fi $1,500 Aug 25, 2018
- Aug 25, 2018

The Music Room

Grado HP1000 Open-Back Headphones; HP1 The Music Room $1,199 Feb 13, 2018
- Feb 15, 2018

Head-fi

IC: Joseph Grado Signature Products HP1/HP1000 - Mint Condition - PHOTOS Head-fi $1 Oct 18, 2017
- Oct 18, 2017

Audiogon

Grado HP1000 / HP-1000 Joe Grado HP1 HP2 w/polarity swtich Audiogon $1,499 Aug 2, 2017
- Aug 31, 2017

Kalaydo

Josepf GRADO HP 1000/HP-1 Grado Labs'. Kalaydo €810 Mar 19, 2017
- Jul 5, 2017

Head-fi

GRADO HP-1000/HP-1 HEADPHONES! Head-fi $1,650 Jul 20, 2016
- Jul 21, 2016

Kalaydo

Josepf GRADO HP 1000/ HP-1 Grado Labs'. Kalaydo €810 Jul 7, 2016
- Nov 29, 2016

Head-fi

Grado HP-1000 (HP-1) Head-fi $1,500 149900% Jul 5, 2016
- Feb 22, 2017

Head-fi

Grado HP1 Head-fi $1,000 41% Jan 20, 2016
- Apr 26, 2017

VideoHifi

Grado HP1000 signature (hp1) + amplificatore HPA2 ( Roma) VideoHifi - Jan 18, 2016
- Jul 18, 2016

Head-fi

FS: Joseph Grado HP-1 (HP1000) Head-fi $1,800 9% Dec 21, 2015
- Feb 11, 2016

Audiogon

GRADO HP 1 HEADPHONES * w/Polarity Switch * Lowest Price Online Audiogon $1,999 Jun 5, 2015
- Jun 7, 2015

Head-fi

FS Grado HP1000 (HP1) Head-fi $1,750 Feb 22, 2015
- Mar 2, 2015

Head-fi

Joseph Grado HP-1 / HP1000 Head-fi $1,850 Dec 2, 2014
- Dec 15, 2014

Head-fi

[IC] GRADO HP1000 (HP1) + HPA2 (combo) and SONY MDR-R10 Head-fi $1 Nov 28, 2014
- Jan 7, 2015

Head-fi

IC: Grado HP1 Head-fi $1 Aug 5, 2014
- Aug 3, 2015

US Audio Mart

Joseph Grado HP-1 US Audio Mart $1,875 Jun 8, 2014
- Jun 8, 2014

Head-fi

[For Sale] GRADO HP1000 HP1 with Joseph Grado’s improved earpads Head-fi - Mar 28, 2014
- Mar 30, 2014

Head-fi

WTB: Grado HP-1/2/3 Drivers. Head-fi $777 Mar 23, 2014
- Jun 19, 2014

Head-fi

WTB Grado HP-1000 / HP-1, HP-2, HP-3 Head-fi $1,500 Mar 23, 2014
- May 7, 2014

Quoka

Grado HP1 Headphones HP1000 Quoka €700 Sep 10, 2012
- Jan 27, 2016