Jim '81 Guitar Amp

Jim '81

Revolutionary amp offers both American and British tones

The new Heptode Jim '81 amp is based on our proprietary analog technology that emulates tube amps perfectly.

It offers very unique specifications, combining rich features, low weight, high reliability and awesome sounding.

Two independant channels inspired by Fender* Blackface and Marshall JCM800* amps, adjustable output power up to 100W, effect loop, DI output with Cabinet Simulator, lightweight, availablle in combo, head or 1U rackmount versions.

These make the Jim '81 a totally unique guitar amplifier.

Specifications

General

2 channels
Combo 1x12", head + cabinet speaker 1x12" or 2x12", 1U rackmount versions
Adjustable output power from 0 up to 100W
Effects loop
DI output with speaker cabinet simulator
Heptode proprietary analog emulation technology
High end Class D audio power amplifier
Silent (fanless)
Designed and crafted in France to the highest standards

Inputs/Ouputs

2 Guitar inputs (front/rear panels)
2 Speaker outputs (4Ω minimum)
1 Footswitch input (channel selection)
1 Send output / 1 Return input (effects loop, +4dBU)
1 Line Out ouput (Jack)
1 DI ouput (XLR)
Mains input : AC 115V or 230V

Output Power

Max output power: 100W @ 4Ω; 50W @ 8Ω; 25W @ 16Ω
Combo: 50W to the internal speaker, 50W available for optional external cabinet

Channels

Leo: emulate a Fender* Blackface amp
Jim: emulates a Marshall JCM800 2203* amp

Controls (channel Leo)

Volume
Bass, Middle, Treble
Power level (0 to max power)

Controls (channel Jim)

Preamp Volume
Master Volume
Bass, Middle, Treble
Presence
Power level (0 to max power)

Other controls

Leo/Jim channel switch
Low/Full (15W/100W) max output power
Cabsim on/off switch
Ground lift switch for DI XLR output

Speakers

Combo / 1x12" Speaker Cabinet : Celestion Creamback Neo* 12", 8Ω, 60W max
2x12" Speaker Cabinet : 2 x Celestion Creamback Neo* 12", total impedance 4Ω, 120W max
Other speakers on request

Color

Custom colors on request (Head/Combo)

Dimension and weight

Rackmount: 48 x 4.4 x 22 cm, 2.0 kg (18.9" x 1.6" x 8.7", 4.4 lbs)
Combo: 48 x 48 x 24 cm, 12.4 kg (18.9" x 18.9" x 9.5", 27.3 lbs)
Head: 48 x 20 x 24 cm, 6.8 kg (18.9" x 7.9" x 9.5", 15 lbs)
Speaker Cabinet 1x12": 48 x 48 x 24 cm, 10.1 kg (18.9" x 18.9" x 9.5", 22.3 lbs)
Speaker Cabinet 2x12": 73 x 48 x 27 cm, 16 kg (28.3" x 18.9" x 10.6", 35.3 lbs)

Heptode amps carry a 3 years limited warranty.

Video

Jim '81 test by Richard Chuat, Guitariste.com

Jim '81 test by Pierre Journel, The Guitar Channel

Jim '81, Leo channel alone and with Heptode pedals,

then Jim channel (after ~12:15")

Demo by Arnaud Leprêtre

Jim '81 demoed by Lorenzo Di Maio

See also Leo' 64 demos (Jim '81 "Leo" channel is identical to Leo '64)

Audio