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The '''Electrum temperaments''' are a group of rank-2 temperaments proposed by Iwuqety, inspired by the idea of using the [[acoustic phi]] (golden ratio <math>φ</math>) and acoustic silver ratio <math>δ_s</math> as generators, respectively replacing the [[3/2]] perfect fifth and the [[2/1]] octave used in common practice music. [[wikipedia:Electrum|Electrum]] refers to naturally-occurring alloy which is mainly made up of gold and silver.


==Untempered version (arranged in quasi-Pythagorean fashion)==
{{nowrap|''Iθ''{{"}} + ''bθ''{{``}} + ''mgL''&thinsp;sin(''θ'') {{=}} 0}}
{| class="wikitable"
 
|+
702
! colspan="3" |Intervals with hyper-generator <math>φ</math>
 
! colspan="3" |Intervals with hypo-generator <math>φ^{-1}</math>
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|-
 
!In terms of metallic ratios
Test
!In surd form
 
!Absolute cents
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!In terms of metallic ratios
 
!In surd form
== 29L 12s, ig. ==
!Absolute cents
 
|-
{{Infobox MOS|Scale Signature=29L 12s|debug=1}}
| colspan="2" |1
 
|0
{{MOS intro|Scale Signature = 29L 12s}}
|<math>δ_s</math>
 
|<math>\frac{1 + sqrt\{2}}{2}</math>
=== Scale properties ===
|1525.854
{{TAMNAMS use|Scale Signature=29L 12s}}
|-
 
|
==== Intervals ====
|
{{MOS intervals|Scale Signature=29L 12s}}
|
 
|
==== Generator chain ====
|
{{MOS genchain|Scale Signature=29L 12s}}
|
 
|-
==== Modes ====
|
{{MOS mode degrees|Scale Signature=29L 12s}}
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=== Scale tree ===
|
{{MOS tuning spectrum|Scale Signature=29L 12s}}
|
|
|}