Serviced Weltmeister 120 Bass Piano Accordion

This accordion is currently undergoing careful restoration and servicing.

Weltmeister 120 Bass Piano Accordion

This Weltmeister 120 bass piano accordion features 11 treble registers and 5 bass registers, offering a wide and versatile range of tonal colours. The treble register system appears to use a full multi-voice setup, most likely LMMMH, giving access to low bassoon tones, clear clarinet reeds, tremolo and musette combinations, bright piccolo tones, octave effects, and full master chorus sounds.

With its full 120 bass layout, multiple treble voices, and bass register selection, this accordion is suitable for traditional, folk, classical, ensemble, church, and general accordion music.

Specification

Make: Weltmeister
Bass: 120 bass
Treble registers: 11
Bass registers: 5
Treble voices: likely LMMMH, five-voice
Register sounds: Bassoon, Clarinet, Tremolo/Violin, Musette, Oboe, Piccolo, Organ, Bandoneon-style combinations, Master/Vollchor
Type: Piano accordion

Register Description

The likely LMMMH five-voice treble setup provides a broad tonal range:

Bassoon: low reed for a deep octave tone
Clarinet: single middle reed for a clear normal-pitch sound
Tremolo / Violin: two middle reeds sounding together for a warm wavering tone
Musette: multiple middle reeds for a fuller tremolo effect
Bandoneon-style combinations: low and middle reeds together for a strong rounded sound
Oboe: middle and high reeds together for a bright singing tone
Piccolo: high reed for a bright upper-octave tone
Organ: octave reed combinations for a clear organ-like sound
Master / Vollchor: full reed chorus for the richest and most powerful sound

The 5 bass switches provide further tonal variation in the left-hand section, allowing the player to choose between lighter accompaniment and fuller bass/chord combinations.

Restoration and Service

This accordion has been carefully inspected, cleaned, serviced, and prepared using the finest traditional restoration materials, helping preserve its original character, tone, and long-term playability.

Work Carried Out

Internal and external cleaning
Treble register mechanism inspected, cleaned, and adjusted
Bass register mechanism inspected and checked
Treble keys removed, cleaned, refitted, and checked for smooth action
Treble valve pads inspected and replaced where required
Grille cloth inspected or replaced where required
Reed blocks inspected and cleaned where required
Air leaks checked around bellows, pallets, and reed-block seating
Reed response checked and adjusted where required
Reed tuning and voicing carried out as required
Final play-test completed

Sale Description

This Weltmeister 120 bass accordion offers a full-size 120 bass layout with 11 treble registers and 5 bass registers, giving the player a rich and flexible range of sounds. Its likely LMMMH five-voice treble configuration provides deep bassoon tones, clear middle reeds, tremolo and musette effects, bright piccolo colour, and powerful full chorus settings.